2 Samuel 20:2 - Ellicott's Commentary On The Whole Bible

Men of Judah clave. — David’s negotiations with Judah had now resulted in an entire reversal of the position of the tribes towards him; Judah, among whom the rebellion originated, and who had been tardy in returning to their allegiance, were now fierce in their loyalty, while Israel, who had only joined the already organised rebellion, and afterwards had first proposed the return of David, had become alienated and rebellious.